Last updated on August 14th, 2022 at 01:25 pm
You should follow the basement electrical standard when planning to redesign your basement or install an electric outlet.
Although the NEC electric code does not have a standard electrical outlet height, you should not place your outlets just anywhere.
These codes are also important for accessibility. For example, if you place your light switch higher or lower than necessary, you might need a high stool anytime you need to turn on your lights.
You should leave a space of about 16 to 18 inches from the basement floor to the top of the electric outlet. You can also measure the electrical outlet height with a 16-ounce claw hammer by placing the hammer upside down and marking the outlet installation point. Ensure you follow NEC electric code guidelines while installing your outlet.
How High Should Outlets Be off the Floor in a Basement?

The standard height of an outlet from the floor of a basement is about 12 to 15 inches to the box bottom.
Experts typically measure the outlet height from the bottom of the outlet box to the floor.
However, you can measure from the top of the outlet with a height of about 16 to 18 inches.
Also, ensure the receptacle height from the grade plane is about 6 inches. Neglecting these electrical outlet height codes can affect your safety.
Though the NEC electric codes do not specify the height of the electrical receptacle, place it at least 15 inches off your basement floor.
The finished basement’s electrical outlet placements usually have similar measurements as other living areas.
Therefore, measure your outlet height from 12 to 15 inches from the bottom box of the receptacle outlet that you installed.
When placing your electrical receptacles, there are various factors to consider, like the basement finishing and the grade plane’s height.
In addition, you should consider the location of the electrical outlets. For example, some receptacle boxes need a low electrical outlet height, unlike other receptacle boxes.
According to the National Electrical Code, electrical outlets are necessary for basements, including other living areas.
However, while installing these outlets in your basement, you must adhere to some essential height requirements for the safety of your home.
Some of these requirements are:
- The outlet height from the basement floor should be at least 12 inches.
- The height between two installed receptacle outlets can be as high as six feet.
- You must not install the receptacles below a foot from the basement floor.
Per the U.S Accessibility Guidelines, the height of an outlet from a finished floor is about 12 to 18 inches.
However, the location of electrical receptacles usually varies depending on the purpose of the basement space.
According to the American Disabilities Act (ADA), homeowners are to place wall outlets about 15 inches above the basement floor to allow accessibility for individuals with disabilities.
What Is Code for Electrical Outlets in a Basement?
According to the NEC electric code standard, your basement electrical receptacle height should be about 15 inches.
And this is because the measurement usually starts from the bottom box of the electric receptacle to the floor level.
However, there is no specific National Electrical Code guideline for basement receptacle box height.
Though the NEC did not specify electric outlet codes, there are standards to follow while installing electrical outlets. There are various factors to consider before installing your outlets.
One of these reasons is the different standards of finished and unfinished basements. There is no rule for the distance between electrical outlets.
You can place your power outlets close together or far apart horizontally, depending on the appliances you will use in the basement.
For example, if you install the laundry room in the basement, you will require a new outlet for the devices you will need for the laundry room.
If your basement has unfinished parts, then you should use at least one GFCI– ground-fault circuit interrupter outlet for each circuit outlet.
This is because unfinished spaces have more tendency to contain more moisture than finished basements.
For instance, the unfinished part of a concrete floor contains water content and can disrupt the electrical flow.
The role of the ground-fault circuit outlet is to regulate the current flowing in and out of the electric outlet and break the circuit flow for safety.
This can protect you and your home from electrical hazards. Without a fault circuit interrupter, the current that contacts the unfinished part of your basement will break.
As a result, it can damage your electric outlet or cause electrocution.
Standard Height of Switches and Outlets
The standard wall switch height for most rooms is 48 inches from the top of the floor to the center of the switch.
Though it can vary, this standard is used by professional electricians and builders.
According to the ADA requirements, the minimum height is 44 inches, and the maximum height is 48 inches from the floor.
For electrical outlets, the standard measurement is 12 to 15 inches from the bottom of the receptacle box.
Do Outlets in Basements Have To Be GFCI?
Per National Electrical Code standards, GFCI protection outlets are necessary for the basement.
Although this depends on the type of basement, you must install a fault circuit interrupter for both finished and unfinished basements.
This is important for your basement to be considered legally compliant by NEC.
However, if you constructed and approved your basement before 1971, the NEC board will consider it an exception.
It is essential to consider all the factors and NEC electric codes when installing your electric receptacle.
With the wrong outlet set up, you could damage or render your property non-compliant. Here are some reasons you require a GFCI protection:
#1. Legal Compliance
Before installing your electric current, consult your local building code. If you built your basement after 1971, use a GFCI protection outlet.
Use the fault circuit interrupter in precise living areas like the kitchen and bathroom.
However, if you finished your pre-1970 basement later, you need to add the ground-fault circuit outlet to your basement.
The same applies if you built a finished or unfinished basement for your home. Legal compliance is necessary if the government inspects and approves your home.
This usually comes in handy if you might need to sell your house someday.
Ensure to install the GFCI receptacles to avoid the risk of a house that is not legally compliant.
You might risk your home insurance policy if you do not install fault circuit interrupter outlets in the living areas of your home. Going against your insurance policy can render it useless in an accident.
#2. Stops Electrical Fires
The importance of a GFCI output is also a factor to consider.
The ground-fault circuit is a suitable electrical outlet for protecting your home from fire outbreaks, electrocution, and other electrical hazards.
You certainly do not want to expose your home to electrical surges that can lead to accidents. These accidents can cause damage and potential loss of life if you do not prevent them.
When you use the required GFCI protection outlet, you can avoid these electrical hazards.
In addition, the fault circuit interrupter outlet also offers a safety net for your home electrical.
#3. Streamlines Your Property’s Outlets
Streamlining your home electrical outlet is another purpose of the GFCI receptacles.
This ensures that you do not have multiple outlets around your building. It is also necessary for a finished basement.
The ground fault circuit helps you guarantee the complete protection of your electrical circuits and outlets.
#4. Prevents Electrical Shocks
These GFCI electrical outlets protect your home from electric shocks from appliances and power outlets.
Electric shocks and surges can occur depending on how you set up the power outlet or electric circuit. Hence, ensure you protect your home by installing the ground fault circuit.
How Many Outlets Are Required in an Unfinished Basement?
An unfinished basement requires at least five power channels and not less than one receptacle for each separate part of your basement.
You will also need a GFCI protection in your 15 and 20 amp, single-phase electric outlets for your unfinished basement.
This means you should have about two outlets for each part of your basement.
Are GFCI Required in an Unfinished Basement?
GFCI protection is required in unfinished basements. If there is an unfinished section in your basement, you would need a fault circuit interrupter outlet on each circuit.
Unfinished parts in your basement usually have more moisture content than the finished part of your basement.
The GFCI detects the difference in a current as it flows in and out of the electric channel and can also break a poor circuit flow.
If you do not install a GFCI receptacle in your basement, the bad circuit current can damage your power outlet and cause electric surges, leading to fire outbreaks.
Therefore, you should install fault circuit interrupters in your basement.
Final Thoughts
According to the National Electrical Code, the standard height from your basement floor to the top of the outlet box is about 16 to 18 inches.
Therefore, it is also vital that you install the required GFCI protection for your basement to prevent power surges.
You should also ensure to install this protection in both finished and unfinished basements.